title: [Retropneumoperitoneum and posterior pneumomediastinum].
mesh_terms: D000005:Abdomen; D006801:Humans; D007274:Injections, Intraperitoneal; D007327:Insufflation; D008478:Mediastinal Emphysema; D011027:Pneumoperitoneum; D011028:Pneumoperitoneum, Artificial; D012188:Retropneumoperitoneum
keywords: PNEUMOMEDIASTINUM/artificial; PNEUMOPERITONEUM, ARTIFICIAL
vernacular_title: Osservazioni sul retropneumoperitoneo e sul pneumomediastino per via posteriore.